GB2100808B - Blade root modification for a gas turbine engine - Google Patents

Blade root modification for a gas turbine engine

Info

Publication number
GB2100808B
GB2100808B GB08213482A GB8213482A GB2100808B GB 2100808 B GB2100808 B GB 2100808B GB 08213482 A GB08213482 A GB 08213482A GB 8213482 A GB8213482 A GB 8213482A GB 2100808 B GB2100808 B GB 2100808B
Authority
GB
United Kingdom
Prior art keywords
gas turbine
turbine engine
blade root
root modification
modification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08213482A
Other versions
GB2100808A (en
Inventor
James William Brantley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB2100808A publication Critical patent/GB2100808A/en
Application granted granted Critical
Publication of GB2100808B publication Critical patent/GB2100808B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
GB08213482A 1981-06-18 1982-05-10 Blade root modification for a gas turbine engine Expired GB2100808B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/274,927 US4453890A (en) 1981-06-18 1981-06-18 Blading system for a gas turbine engine

Publications (2)

Publication Number Publication Date
GB2100808A GB2100808A (en) 1983-01-06
GB2100808B true GB2100808B (en) 1985-03-27

Family

ID=23050186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08213482A Expired GB2100808B (en) 1981-06-18 1982-05-10 Blade root modification for a gas turbine engine

Country Status (7)

Country Link
US (1) US4453890A (en)
JP (1) JPS5810102A (en)
CA (1) CA1187812A (en)
DE (1) DE3221925A1 (en)
FR (1) FR2508097B1 (en)
GB (1) GB2100808B (en)
IT (1) IT1151592B (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566061B1 (en) * 1984-06-14 1988-09-02 Snecma AXIAL LOCKING DEVICE OF A TURBOMACHINE BLADE
US5067877A (en) * 1990-09-11 1991-11-26 United Technologies Corporation Fan blade axial retention device
US5141401A (en) * 1990-09-27 1992-08-25 General Electric Company Stress-relieved rotor blade attachment slot
FR2681374B1 (en) * 1991-09-18 1993-11-19 Snecma FIXING OF A TURBOREACTOR BLOWER BLADE.
DE4323705A1 (en) * 1993-07-15 1995-01-19 Abb Management Ag Turbine
US5443365A (en) * 1993-12-02 1995-08-22 General Electric Company Fan blade for blade-out protection
FR2715975B1 (en) * 1994-02-10 1996-03-29 Snecma Turbomachine rotor with axial or inclined through blade grooves.
US5501575A (en) * 1995-03-01 1996-03-26 United Technologies Corporation Fan blade attachment for gas turbine engine
US5836744A (en) * 1997-04-24 1998-11-17 United Technologies Corporation Frangible fan blade
US6019580A (en) * 1998-02-23 2000-02-01 Alliedsignal Inc. Turbine blade attachment stress reduction rings
FR2803623B1 (en) * 2000-01-06 2002-03-01 Snecma Moteurs ARRANGEMENT FOR AXIAL RETENTION OF BLADES IN A DISC
US6439772B1 (en) 2000-12-01 2002-08-27 General Electric Company Method and apparatus for supporting rotor assembly bearings
US6413046B1 (en) 2001-01-26 2002-07-02 General Electric Company Method and apparatus for centering rotor assembly damper bearings
US6443698B1 (en) 2001-01-26 2002-09-03 General Electric Company Method and apparatus for centering rotor assembly damper bearings
US6783319B2 (en) 2001-09-07 2004-08-31 General Electric Co. Method and apparatus for supporting rotor assemblies during unbalances
US6619924B2 (en) 2001-09-13 2003-09-16 General Electric Company Method and system for replacing a compressor blade
US6846159B2 (en) * 2002-04-16 2005-01-25 United Technologies Corporation Chamfered attachment for a bladed rotor
US6964557B2 (en) * 2003-02-03 2005-11-15 General Electric Company Methods and apparatus for coupling a component to a turbine engine blade
US7252481B2 (en) * 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US20050265846A1 (en) * 2004-06-01 2005-12-01 Przytulski James C Balance assembly for rotary turbine component and method for installing and/or adjusting balance weight
US7384199B2 (en) * 2004-08-27 2008-06-10 General Electric Company Apparatus for centering rotor assembly bearings
FR2905139B1 (en) * 2006-08-25 2012-09-28 Snecma ROTOR BLADE OF A TURBOMACHINE
US20090053064A1 (en) * 2006-09-01 2009-02-26 Ress Jr Robert A Fan blade retention system
FR2911632B1 (en) 2007-01-18 2009-08-21 Snecma Sa ROTOR DISC OF TURBOMACHINE BLOWER
DE102007051838A1 (en) * 2007-10-30 2009-05-07 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine blade root comprises two surfaces, which is auxiliary to bearing of gas turbine blade root, which is conjoined in right angle, and transient area of surfaces is formed with tapered and even edge
US8221083B2 (en) * 2008-04-15 2012-07-17 United Technologies Corporation Asymmetrical rotor blade fir-tree attachment
FR2963383B1 (en) * 2010-07-27 2016-09-09 Snecma DUST OF TURBOMACHINE, ROTOR, LOW PRESSURE TURBINE AND TURBOMACHINE EQUIPPED WITH SUCH A DAWN
US9810077B2 (en) * 2012-01-31 2017-11-07 United Technologies Corporation Fan blade attachment of gas turbine engine
US10072507B2 (en) 2012-10-25 2018-09-11 United Technologies Corporation Redundant airfoil attachment
US9617860B2 (en) * 2012-12-20 2017-04-11 United Technologies Corporation Fan blades for gas turbine engines with reduced stress concentration at leading edge
FR3025553B1 (en) 2014-09-08 2019-11-29 Safran Aircraft Engines AUBE A BECQUET AMONT
US20160230579A1 (en) * 2015-02-06 2016-08-11 United Technologies Corporation Rotor disk sealing and blade attachments system
FR3035677B1 (en) * 2015-04-29 2017-05-12 Snecma DAWN HAVING PLATFORMS HAVING HOISTING PORTIONS
US11377969B2 (en) * 2020-02-07 2022-07-05 Raytheon Technologies Corporation Extended root region and platform over-wrap for a blade of a gas turbine engine
US11834964B2 (en) 2021-11-24 2023-12-05 General Electric Company Low radius ratio fan blade for a gas turbine engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1245518A (en) * 1957-04-19 1960-11-10 Improvements made to hot gaseous fluid turbines
GB1151937A (en) * 1966-08-26 1969-05-14 Mini Of Technology Bladed Rotors for Fluid Flow Machines
US3572970A (en) * 1969-01-23 1971-03-30 Gen Electric Turbomachinery blade spacer
FR2041643A5 (en) * 1969-05-14 1971-01-29 Martin Marietta Corp Nickel base superalloy for turbine blades
BE794573A (en) * 1972-02-02 1973-05-16 Gen Electric AUBES FIXING DEVICE
US4006999A (en) * 1975-07-17 1977-02-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Leading edge protection for composite blades
FR2345605A1 (en) * 1976-03-25 1977-10-21 Snecma RETAINING DEVICE FOR BLOWER BLADES
US4221542A (en) * 1977-12-27 1980-09-09 General Electric Company Segmented blade retainer
CH626947A5 (en) * 1978-03-02 1981-12-15 Bbc Brown Boveri & Cie
US4265595A (en) * 1979-01-02 1981-05-05 General Electric Company Turbomachinery blade retaining assembly

Also Published As

Publication number Publication date
CA1187812A (en) 1985-05-28
JPH0424526B2 (en) 1992-04-27
IT1151592B (en) 1986-12-24
JPS5810102A (en) 1983-01-20
US4453890A (en) 1984-06-12
FR2508097A1 (en) 1982-12-24
DE3221925A1 (en) 1983-01-20
GB2100808A (en) 1983-01-06
FR2508097B1 (en) 1988-10-28
DE3221925C2 (en) 1993-04-01
IT8221755A0 (en) 1982-06-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20020509